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Finding the Third Proportional to 2,638 and 4,599

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Solution

The third proportional to 2,638 and 4,599 is: 8,017.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,638 : 4,599 = 4,599 : x
  2. Step 2: Convert to fraction form
    2,638/4,599 = 4,599/x
  3. Step 3: Cross multiply
    2,638x = 4,599 × 4,599
  4. Step 4: Simplify right side
    2,638x = 21,150,801
  5. Step 5: Solve for x
    x = 21,150,801/2,638
  6. Step 6: Final answer
    x = 8,017.74

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Why These Related Problems?

These problems maintain the same ratio (1.74) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.